/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/RigVMPin.h
Returns the name of a custom widget to be used for editing the Pin.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=RigVMPin) [FName](API\Runtime\Core\UObject\FName) GetCustomWidgetName() const